CVE-2025-68471

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-617

Affected software

Vendor	Product	Versions
avahi	avahi	<= 0.9-rc2

References

https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1Patch
https://github.com/avahi/avahi/issues/678Exploit, Issue Tracking, Patch
https://github.com/avahi/avahi/security/advisories/GHSA-56rf-42xr-qmmgExploit, Patch, Vendor Advisory

Timeline

Published: Jan 12, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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